/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

    dnSpy is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dnSpy is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;
using System.Collections.ObjectModel;
using dnSpy.Contracts.Decompiler;
using dnSpy.Contracts.Documents.Tabs.DocViewer;

namespace dnSpy.Documents.Tabs.DocViewer {
	[ExportDocumentViewerCustomDataProvider]
	sealed class DebugInfoDocumentViewerCustomDataProvider : IDocumentViewerCustomDataProvider {
		public void OnCustomData(IDocumentViewerCustomDataContext context) {
			var data = context.GetData<MethodDebugInfo>(PredefinedCustomDataIds.DebugInfo);
			var coll = data.Length == 0 ? emptyCollection : new ReadOnlyCollection<MethodDebugInfo>(data);
			context.AddCustomData(DocumentViewerContentDataIds.DebugInfo, coll);
		}
		static readonly ReadOnlyCollection<MethodDebugInfo> emptyCollection = new ReadOnlyCollection<MethodDebugInfo>(Array.Empty<MethodDebugInfo>());
	}
}
